A student used a video camera to record another student dropping a marble through water in a graduated cylinder. The students watched the video in slow motion and made the observations shown below.

During which part or parts of the marble’s fall did the marble experience unbalanced forces?
*
1 point
Captionless Image
Part 1 only
Parts 1 and 2 only
Part 3 only
Parts 2 and 3 only